Cleanup namespace usage in public/web/Web[A-M]*.h.

public/web/WebFormElement.h

Index: public/web/WebFormElement.h
diff --git a/public/web/WebFormElement.h b/public/web/WebFormElement.h
index a3b126c152385204d07602ea2ccbaf81dc0ad7cc..c7224cf57a19d0b68b1ea15ceeae874adfa4dc0c 100644
--- a/public/web/WebFormElement.h
+++ b/public/web/WebFormElement.h
@@ -34,14 +34,11 @@
 #include "../platform/WebVector.h"
 #include "WebElement.h"
 
-#if BLINK_IMPLEMENTATION
-namespace blink { class HTMLFormElement; }
-#endif
-
 namespace blink {
 
-    class WebInputElement;
-    class WebFormControlElement;
+class HTMLFormElement;
+class WebInputElement;
+class WebFormControlElement;
 
     // A container for passing around a reference to a form element.  Provides
     // some information about the form.
@@ -81,9 +78,9 @@ namespace blink {
         BLINK_EXPORT void finishRequestAutocomplete(WebFormElement::AutocompleteResult);
 
 #if BLINK_IMPLEMENTATION
-        WebFormElement(const PassRefPtrWillBeRawPtr<blink::HTMLFormElement>&);
-        WebFormElement& operator=(const PassRefPtrWillBeRawPtr<blink::HTMLFormElement>&);
-        operator PassRefPtrWillBeRawPtr<blink::HTMLFormElement>() const;
+        WebFormElement(const PassRefPtrWillBeRawPtr<HTMLFormElement>&);
+        WebFormElement& operator=(const PassRefPtrWillBeRawPtr<HTMLFormElement>&);
+        operator PassRefPtrWillBeRawPtr<HTMLFormElement>() const;
 #endif
     };